%0 Journal Article %T EXPLORATION OF THE MOVEMENTS OF WATER AND DISSOLVED SALTS IN SOILS UNDER DIFFERENT PLANT COMMUNITIES IN ANEUROLE-PIDIUM CHINENSE GRASSLAND OF SONGNEN PLAIN
松嫩平原羊草草地土壤水盐运动规律的研究 %A Zhang Wei- zheng %A
张为政 %A 高琼 %J 植物生态学报 %D 1994 %I Editorial Office of Chinese Journal of Plant Ecology %X 羊草草地植物群落的分布与土壤水盐运动有着十分密切的关系。研究结果表明,羊草、拂子茅、獐毛和角碱篷群落的土壤饱和导水率分别为0.0586cm·h ̄(-1),0.0567cm·h ̄(-1),0.0175cm·h ̄(-1)和0.0004cm.h ̄(-1)。当土壤含水量相同时,角碱蓬群落下土壤水吸力高于羊草群落。在相同的土壤水吸力范围内,角碱蓬群落下土壤非饱和导水率高于羊草群落。因此,角碱篷群落在春季干旱时,士体内上行水流的数量和强度远远大于羊草群落。夏季降水集中时,角碱蓬群落下土体内下行水流又远远小于羊草群落。造成土体上部甚至表层的盐分积累。 %K Aneurolepidium chinense grassland %K Songnen plain %K Water and dissolved salts in soils
松嫩平原 %K 羊草草地 %K 水盐运动 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=2F2173CCFF292BF447DC2681EA33BBAE&aid=2B85C1C0E5B0E25924B5225F368EAC03&yid=3EBE383EEA0A6494&vid=13553B2D12F347E8&iid=0B39A22176CE99FB&sid=7C72DBC13F2D71EC&eid=12DC19455C3A2FA8&journal_id=1005-264X&journal_name=植物生态学报&referenced_num=15&reference_num=2